C/net reports the U.S. Department of Homeland Security has issued an alert warning that hackers could exploit code in Siemens-owned technology to attack power plants and other national critical infrastructure.

Security researcher Justin Clarke exposed the flaw at a Los Angeles conference last week, claiming he discovered a way of spying on encrypted traffic in hardware owned by a Siemens subsidiary, RuggedCom.The DHS advisory noted: “An attacker may use the key to create malicious communication to a RuggedCom network device.”DHS added that the government de